{"id":"vidhyamitra:city-day:jamnagar:2172-09-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2172-09-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2172-09-18","date_display":"September 18, 2172 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2172,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514627.770833,"kali_year":5274,"ahargana":1926162.2708,"sun":{"sidereal_longitude":148.4011,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":145.9019,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":357.5009,"elapsed_within_tithi_degrees":9.5009},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.9019,"elapsed_within_degrees":12.5686},"yoga":{"number":23,"name":"Śubha","sum_longitude":294.303},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2172,"month":9,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514627.770833,"ahargana":1926162.2708,"kali_year":5274,"ayanamsa_lahiri":26.2657,"grahas":{"sun":{"sidereal_longitude":149.55008500000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":147.87318500000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":2.6908},"mars":{"sidereal_longitude":217.03388500000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":173.61688500000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":198.039085,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":113.09508499999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":329.771985,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":2.6535,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":182.6535,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2172,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514627.770833,"kali_year":5274,"ahargana":1926162.2708,"sun":{"sidereal_longitude":148.4011,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":145.9019,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":357.5009,"elapsed_within_tithi_degrees":9.5009},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.9019,"elapsed_within_degrees":12.5686},"yoga":{"number":23,"name":"Śubha","sum_longitude":294.303},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.691,"elongation":2.499},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.691,"opposition_distance":177.501}},"eclipse_window_40days":[{"offset_days":14,"type":"lunar","occurs":true,"moon_latitude":-1.458,"opposition_distance":0.906}]},"city":{"slug":"jamnagar","name":"Jamnagar, Gujarat","lat":22.4707,"lon":70.0577,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"jamnagar","name":"Jamnagar, Gujarat","lat":22.4707,"lon":70.0577,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"sunriseLocal":"06:37","sunsetLocal":"18:50","solarNoonLocal":"12:43","dayLengthHours":12.21200115844725,"dayLengthDisplay":"12 Hours 12 Mins 43 Secs","nightLengthDisplay":"11 Hours 47 Mins 17 Secs","moonriseLocal":"06:30","moonsetLocal":"18:43","rahuKala":{"name":"Rāhu Kāla","start":"11:12","end":"12:43","startHours":11.192819485632857,"endHours":12.719319630438761,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:46","end":"17:18","startHours":15.772319920050574,"endHours":17.298820064856482,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:08","end":"09:40","startHours":8.139819196021044,"endHours":9.666319340826949,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:52","startHours":9.462785988186162,"endHours":9.869852693467736,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:07","end":"07:27","startHours":7.1221524328171055,"endHours":7.447805797042365,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:19","end":"13:08","startHours":12.312252925157186,"endHours":13.126386335720337,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:59","end":"05:48","startHours":4.9850522300888365,"endHours":5.799185640651987,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:36","end":"06:37","startHours":5.595652288011199,"endHours":6.613319051215137,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:34","startHours":14.754653156846636,"endHours":15.568786567409786,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:38","end":"19:02","startHours":18.625320209662387,"endHours":19.025320209662386,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:50","end":"19:20","startHours":18.825320209662387,"endHours":19.334153591264354,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:35","end":"20:20","startHours":18.575320209662387,"endHours":20.325320209662387,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:19","end":"01:08","startHours":24.312252925157186,"endHours":25.126386335720337,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:37","end":"08:08","startHours":6.613319051215137,"endHours":8.139819196021044,"quality":"neutral"},{"name":"Labha","start":"08:08","end":"09:40","startHours":8.139819196021044,"endHours":9.666319340826949,"quality":"auspicious"},{"name":"Amṛta","start":"09:40","end":"11:12","startHours":9.666319340826949,"endHours":11.192819485632857,"quality":"auspicious"},{"name":"Kāla","start":"11:12","end":"12:43","startHours":11.192819485632857,"endHours":12.719319630438761,"quality":"inauspicious"},{"name":"Śubha","start":"12:43","end":"14:15","startHours":12.719319630438761,"endHours":14.24581977524467,"quality":"auspicious"},{"name":"Roga","start":"14:15","end":"15:46","startHours":14.24581977524467,"endHours":15.772319920050574,"quality":"inauspicious"},{"name":"Udveg","start":"15:46","end":"17:18","startHours":15.772319920050574,"endHours":17.298820064856482,"quality":"inauspicious"},{"name":"Chala","start":"17:18","end":"18:50","startHours":17.298820064856482,"endHours":18.825320209662387,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:50","end":"20:18","startHours":18.825320209662387,"endHours":20.29882006485648,"quality":"inauspicious"},{"name":"Udveg","start":"20:18","end":"21:46","startHours":20.29882006485648,"endHours":21.772319920050574,"quality":"inauspicious"},{"name":"Chala","start":"21:46","end":"23:15","startHours":21.772319920050574,"endHours":23.24581977524467,"quality":"neutral"},{"name":"Labha","start":"23:15","end":"00:43","startHours":23.24581977524467,"endHours":24.71931963043876,"quality":"auspicious"},{"name":"Amṛta","start":"00:43","end":"02:12","startHours":24.71931963043876,"endHours":26.192819485632853,"quality":"auspicious"},{"name":"Kāla","start":"02:12","end":"03:40","startHours":26.192819485632853,"endHours":27.66631934082695,"quality":"inauspicious"},{"name":"Śubha","start":"03:40","end":"05:08","startHours":27.66631934082695,"endHours":29.139819196021044,"quality":"auspicious"},{"name":"Roga","start":"05:08","end":"06:37","startHours":29.139819196021044,"endHours":30.613319051215136,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:37","end":"07:37","startHours":6.613319051215137,"endHours":7.613319051215137,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:37","end":"08:37","startHours":7.613319051215137,"endHours":8.613319051215136,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:37","end":"09:37","startHours":8.613319051215136,"endHours":9.613319051215136,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:37","end":"10:37","startHours":9.613319051215136,"endHours":10.613319051215136,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:37","end":"11:37","startHours":10.613319051215136,"endHours":11.613319051215136,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:37","end":"12:37","startHours":11.613319051215136,"endHours":12.613319051215136,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:37","end":"13:37","startHours":12.613319051215136,"endHours":13.613319051215136,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:37","end":"14:37","startHours":13.613319051215136,"endHours":14.613319051215136,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:37","end":"15:37","startHours":14.613319051215136,"endHours":15.613319051215136,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:37","end":"16:37","startHours":15.613319051215136,"endHours":16.613319051215136,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:37","end":"17:37","startHours":16.613319051215136,"endHours":17.613319051215136,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:37","end":"18:37","startHours":17.613319051215136,"endHours":18.613319051215136,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:37","end":"19:37","startHours":18.613319051215136,"endHours":19.613319051215136,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:37","end":"20:37","startHours":19.613319051215136,"endHours":20.613319051215136,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:37","end":"21:37","startHours":20.613319051215136,"endHours":21.613319051215136,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:37","end":"22:37","startHours":21.613319051215136,"endHours":22.613319051215136,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:37","end":"23:37","startHours":22.613319051215136,"endHours":23.613319051215136,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:37","end":"00:37","startHours":23.613319051215136,"endHours":24.613319051215136,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:37","end":"01:37","startHours":24.613319051215136,"endHours":25.613319051215136,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:37","end":"02:37","startHours":25.613319051215136,"endHours":26.613319051215136,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:37","end":"03:37","startHours":26.613319051215136,"endHours":27.613319051215136,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:37","end":"04:37","startHours":27.613319051215136,"endHours":28.613319051215136,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:37","end":"05:37","startHours":28.613319051215136,"endHours":29.613319051215136,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:37","end":"06:37","startHours":29.613319051215136,"endHours":30.613319051215136,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":1.662952758389441,"eotMinutes":6.610022173674397,"ayanamsa":26.2657}},"calendars":{"vikram_samvat":2229,"vikram_samvatsara":"Pārthiva","saka_samvat":2094,"saka_samvatsara":"Aṅgirasa","bengali_samvat":1579,"malayalam_era":1348,"nanakshahi_year":703,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada (Adhika) Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada (Adhika) Kṛṣṇa Amāvasyā · Vikram 2229 Pārthiva · Śaka 2094 Aṅgirasa"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"jamnagar"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 18, 2172 CE · Jamnagar, Gujarat · Vidhyamitra","description":"September 18, 2172 CE for Jamnagar, Gujarat: Kṛṣṇa Amāvasyā, sūryodaya 06:37, sūryāsta 18:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2172-09-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2172-09-18","sa":"https://sa.vidhyamitra.com/city/jamnagar/2172-09-18","hi":"https://hi.vidhyamitra.com/city/jamnagar/2172-09-18","x-default":"https://vidhyamitra.com/city/jamnagar/2172-09-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T01:20:32.631Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-03T01:20:32.631Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T01:20:32.631Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}